| Established: | October 3, 1906 |
| Founder: | Municipal Museum, originally divided into a Natural Science and a Historical department |
| Origin: | private collections of Bielefeld citizens |
| Number of objects: | > 575,000 |
| Focus of the collections: | Entomology (> 400,000) and Geology/Paleontology (> 60,000) |
| Annual visitors: | ~ 30,000 - 35,000 |
| Highlights: | holotype of giant amphibiam skull Cyclotosaurus buechneri, holotype of Plesiosaurian skeleton Arminisaurus schuberti |
